Powwow River

Powwow River
The Powwow River in downtown Amesbury, MA
Location
CountryUnited States
StatesNew Hampshire, Massachusetts
CountiesRockingham, NH, Essex, MA
Towns and cityDanville, NH, Kingston, NH, East Kingston, NH, South Hampton, NH, Amesbury, MA
Physical characteristics
Source 
  locationDanville, NH
  coordinates42°56′0″N 71°7′52″W / 42.93333°N 71.13111°W / 42.93333; -71.13111
  elevation165 ft (50 m)
MouthMerrimack River
  location
Amesbury, MA
  coordinates
42°50′26″N 70°55′28″W / 42.84056°N 70.92444°W / 42.84056; -70.92444
  elevation
0 ft (0 m)
Length22.8 mi (36.7 km)
Basin features
Tributaries 
  leftBack River
  rightColby Brook

The Powwow River is a 22.8-mile-long (36.7 km) river located in New Hampshire and Massachusetts in the United States. It is a tributary of the Merrimack River, part of the Gulf of Maine watershed.